Multisampled Average Current Control of Switching Power Converters

被引：0
|
作者：
Calvente, J. [1 ]
Ramirez-Murillo, H. [1 ]
Vidal-Idiarte, E. [1 ]
Giral, R. [1 ]
Restrepo, C. [2 ]
机构：
[1] Univ Rovira & Virgili, Dept Engn Elect Elect & Automat, Escola Tecn Super Engn, E-43007 Tarragona, Spain
[2] Univ Tecn Federico Santa Maria, Dept Elect Engn, Santiago 8170799, Chile
来源：
2015 IEEE INTERNATIONAL CONFERENCE ON INDUSTRIAL TECHNOLOGY (ICIT) | 2015年
关键词：
MODULATORS;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The digital current control method of switching converters studied in this work is based on taking more than one sample per switching period of the instantaneous current error waveform. To correctly regulate the average current value, as well as to simplify the system model, the controller must include a ripple filter. The proposed system includes a new low-phase-lag ripple filter. The whole system is first modelled in the s-domain to easily include the plant dynamics. The validity of the s-domain analysis up to half the switching frequency, once the controller is converted into the z-domain, has been verified by simulating its frequency response and its transient behavior. In comparison with other digital control methods, our approach provides a good general performance with a reasonable level of complexity.
引用
收藏
页码：2120 / 2124
页数：5
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